Problemset - Codeforces

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Problems

#	Name
1574F	Occurrences combinatorics, dp, dsu, fft, graphs		x94
1567F	One-Four Overload constructive algorithms, dfs and similar, dsu, graphs, implementation	2700	x420
1559D2	Mocha and Diana (Hard Version) brute force, constructive algorithms, dfs and similar, dsu, graphs, greedy, trees, two pointers	2500	x1633
1559D1	Mocha and Diana (Easy Version) brute force, constructive algorithms, dsu, graphs, greedy, trees	1400	x8382
1556G	Gates to Another World bitmasks, data structures, dsu, two pointers	3300	x127
1555F	Good Graph data structures, dsu, graphs, trees	2700	x530
1553G	Common Divisor Graph brute force, constructive algorithms, dsu, graphs, hashing, math, number theory	2700	x649
1553E	Permutation Shift brute force, combinatorics, constructive algorithms, dfs and similar, dsu, graphs, math	2100	x2433
1550F	Jumping Around binary search, data structures, divide and conquer, dp, dsu, graphs, shortest paths	2700	x352
1537F	Figure Fixing constructive algorithms, dfs and similar, dsu, graphs, greedy, math	2200	x1706
1534C	Little Alawn's Puzzle combinatorics, dp, dsu, graphs, math	1300	x8846
1521D	Nastia Plays with a Tree constructive algorithms, data structures, dfs and similar, dp, dsu, greedy, implementation, trees	2500	x1183
1515F	Phoenix and Earthquake constructive algorithms, dfs and similar, dsu, graphs, greedy, trees	2600	x1077
1513D	GCD and MST constructive algorithms, dsu, graphs, greedy, number theory, sortings	2000	x3164
1508C	Complete the MST bitmasks, brute force, data structures, dfs and similar, dsu, graphs, greedy, trees	2500	x894
1494D	Dogeforces constructive algorithms, data structures, dfs and similar, divide and conquer, dsu, greedy, sortings, trees	2300	x1931
1482D	Playlist data structures, dsu, implementation, shortest paths	1900	x2919
1476D	Journey dfs and similar, dp, dsu, implementation	1700	x6354
1468J	Road Reform dsu, graphs, greedy	1800	x2364
1468B	Bakery data structures, dsu	2900	x117
1466F	Euclid's nightmare bitmasks, dfs and similar, dsu, graphs, greedy, math, sortings	2100	x2439
1463E	Plan of Lectures constructive algorithms, dfs and similar, dsu, graphs, implementation, sortings, trees	2400	x1060
1444C	Team-Building data structures, dfs and similar, dsu, graphs	2500	x1001
1442B	Identify the Operations combinatorics, data structures, dsu, greedy, implementation	1800	x3364
1434E	A Convex Game dsu, games	3500	x76
1423H	Virus data structures, divide and conquer, dsu, graphs	2500	x330
1419F	Rain of Fire binary search, data structures, dfs and similar, dsu, graphs, implementation	2800	x367
1416D	Graph and Queries data structures, dsu, graphs, implementation, trees	2600	x1087
1411C	Peaceful Rooks dfs and similar, dsu, graphs	1700	x6099
1408G	Clusterization Counting combinatorics, dp, dsu, fft, graphs, trees	2700	x529
1408E	Avoid Rainbow Cycles data structures, dsu, graphs, greedy, sortings, trees	2400	x1493
1402A	Fancy Fence *special problem, data structures, dsu, implementation, math, sortings	1800	x819
1400G	Mercenaries bitmasks, brute force, combinatorics, dp, dsu, math, two pointers	2600	x610
1386C	Joker *special problem, bitmasks, data structures, divide and conquer, dsu	2800	x212
1385G	Columns Swaps 2-sat, dfs and similar, dsu, graphs, implementation	2300	x965
1383A	String Transformation 1 dsu, graphs, greedy, sortings, strings, trees, two pointers	1700	x8473
1380E	Merging Towers data structures, dsu, implementation, trees	2300	x1440
1370D	Odd-Even Subsequence binary search, dp, dsu, greedy, implementation	2000	x6849
1365D	Solve The Maze constructive algorithms, dfs and similar, dsu, graphs, greedy, implementation, shortest paths	1700	x10721
1361C	Johnny and Megan's Necklace binary search, bitmasks, constructive algorithms, dfs and similar, dsu, graphs	2500	x1024
1344B	Monopole Magnets constructive algorithms, dfs and similar, dsu, graphs	2000	x4968
1335F	Robots on a Grid data structures, dfs and similar, dsu, graphs, greedy, matrices	2200	x1612
1332C	K-Complete Word dfs and similar, dsu, greedy, implementation, strings	1500	x12342
1307F	Cow and Vacation dfs and similar, dsu, trees	3300	x324
1305G	Kuroni and Antihype bitmasks, brute force, dp, dsu, graphs	3500	x348
1303F	Number of Components dsu, implementation	2800	x380
1292A	NEKO's Maze Game data structures, dsu, implementation	1400	x11179
1290C	Prefix Enlightenment dfs and similar, dsu, graphs	2400	x1135
1278D	Segment Tree data structures, dsu, graphs, trees	2100	x2837
1276B	Two Fairs combinatorics, dfs and similar, dsu, graphs	1900	x3552
1263D	Secret Passwords dfs and similar, dsu, graphs	1500	x9297
1254E	Send Tree to Charlie combinatorics, dfs and similar, dsu, trees	3300	x164
1253F	Cheap Robot binary search, dsu, graphs, shortest paths, trees	2500	x869
1253D	Harmonious Graph constructive algorithms, dfs and similar, dsu, graphs, greedy, sortings	1700	x6678
1249B2	Books Exchange (hard version) dfs and similar, dsu, math	1300	x12395
1249B1	Books Exchange (easy version) dsu, math	1000	x15798
1245D	Shichikuji and Power Grid dsu, graphs, greedy, shortest paths, trees	1900	x4264
1242B	0-1 MST dfs and similar, dsu, graphs, sortings	1900	x4727
1236E	Alice and the Unfair Game binary search, data structures, dp, dsu	2500	x504
1220E	Tourism dfs and similar, dp, dsu, graphs, greedy, trees	2200	x1931
1217F	Forced Online Queries Problem data structures, divide and conquer, dsu, graphs, trees	2600	x304
1213G	Path Queries divide and conquer, dsu, graphs, sortings, trees	1800	x4219
1213F	Unstable String Sort data structures, dfs and similar, dsu, graphs, greedy, implementation, strings	2100	x1758
1209G1	Into Blocks (easy version) data structures, dsu, greedy, implementation, two pointers	2000	x2176
1209D	Cow and Snacks dfs and similar, dsu, graphs	1700	x6073
1184E3	Daleks' Invasion (hard) data structures, dsu, graphs, trees	2400	x337
1176E	Cover it! dfs and similar, dsu, graphs, shortest paths, trees	1700	x6602
1167C	News Distribution dfs and similar, dsu, graphs	1400	x10848
1166F	Vicky's Delivery Service data structures, dsu, graphs, hashing	2400	x477
1156E	Special Segments of Permutation data structures, divide and conquer, dsu, two pointers	2200	x1791
1156D	0-1-Tree dfs and similar, divide and conquer, dp, dsu, trees	2200	x2331
1140F	Extending Set of Points data structures, divide and conquer, dsu	2600	x549
1139C	Edgy Trees dfs and similar, dsu, graphs, math, trees	1500	x8656
1133F2	Spanning Tree with One Fixed Degree constructive algorithms, dfs and similar, dsu, graphs, greedy	1900	x2118
1131F	Asya And Kittens constructive algorithms, dsu	1700	x4719
1131D	Gourmet choice dfs and similar, dp, dsu, graphs, greedy	2000	x2465
1130C	Connect brute force, dfs and similar, dsu	1400	x6508
1120D	Power Tree dfs and similar, dp, dsu, graphs, greedy, trees	2500	x619
1108F	MST Unification binary search, dsu, graphs, greedy	2100	x1766
1107G	Vasya and Maximum Profit binary search, constructive algorithms, data structures, dp, dsu	2400	x724
1095F	Make It Connected dsu, graphs, greedy	1900	x3573
1081D	Maximum Distance dsu, graphs, shortest paths, sortings	1800	x2994
1055B	Alice and Hairdresser dsu, implementation	1300	x3988
1051G	Distinctification data structures, dsu, greedy	2900	x172
1044D	Deduction Queries data structures, dsu	2400	x668
1042F	Leaf Sets data structures, dfs and similar, dsu, graphs, greedy, sortings, trees	2400	x945
1039C	Network Safety dfs and similar, dsu, graphs, math, sortings	2200	x1106
1027F	Session in BSU binary search, dfs and similar, dsu, graph matchings, graphs	2400	x1009
1023F	Mobile Phone Network dfs and similar, dsu, graphs, trees	2600	x624
1012E	Cycle sort dsu, math	3100	x157
1012B	Chemical table constructive algorithms, dfs and similar, dsu, graphs, matrices	1900	x2990
1009F	Dominant Indices data structures, dsu, trees	2300	x2472
990G	GCD Counting divide and conquer, dp, dsu, number theory, trees	2400	x1088
986C	AND Graph bitmasks, dfs and similar, dsu, graphs	2500	x1568
982D	Shark brute force, data structures, dsu, trees	1900	x1915
979D	Kuro and GCD and XOR and SUM binary search, bitmasks, brute force, data structures, dp, dsu, greedy, math, number theory, strings, trees	2200	x1220
977E	Cyclic Components dfs and similar, dsu, graphs	1500	x11462
962G	Visible Black Areas data structures, dsu, geometry, trees	2800	x77
959B	Mahmoud and Ehab and the message dsu, greedy, implementation	1200	x7154
939D	Love Rescue dfs and similar, dsu, graphs, greedy, strings	1600	x5358

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